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8931b30d | 1 | /* crypto/cms/cms_asn1.c */ |
0f113f3e MC |
2 | /* |
3 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
8931b30d DSH |
4 | * project. |
5 | */ | |
6 | /* ==================================================================== | |
7 | * Copyright (c) 2008 The OpenSSL Project. All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * | |
13 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 14 | * notice, this list of conditions and the following disclaimer. |
8931b30d DSH |
15 | * |
16 | * 2. Redistributions in binary form must reproduce the above copyright | |
17 | * notice, this list of conditions and the following disclaimer in | |
18 | * the documentation and/or other materials provided with the | |
19 | * distribution. | |
20 | * | |
21 | * 3. All advertising materials mentioning features or use of this | |
22 | * software must display the following acknowledgment: | |
23 | * "This product includes software developed by the OpenSSL Project | |
24 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
25 | * | |
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
27 | * endorse or promote products derived from this software without | |
28 | * prior written permission. For written permission, please contact | |
29 | * licensing@OpenSSL.org. | |
30 | * | |
31 | * 5. Products derived from this software may not be called "OpenSSL" | |
32 | * nor may "OpenSSL" appear in their names without prior written | |
33 | * permission of the OpenSSL Project. | |
34 | * | |
35 | * 6. Redistributions of any form whatsoever must retain the following | |
36 | * acknowledgment: | |
37 | * "This product includes software developed by the OpenSSL Project | |
38 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
39 | * | |
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
52 | * ==================================================================== | |
53 | */ | |
54 | ||
55 | #include <openssl/asn1t.h> | |
56 | #include <openssl/pem.h> | |
be86c7fc | 57 | #include <openssl/x509v3.h> |
e52a3c3d | 58 | #include <openssl/cms.h> |
8931b30d DSH |
59 | #include "cms_lcl.h" |
60 | ||
61 | ||
62 | ASN1_SEQUENCE(CMS_IssuerAndSerialNumber) = { | |
0f113f3e MC |
63 | ASN1_SIMPLE(CMS_IssuerAndSerialNumber, issuer, X509_NAME), |
64 | ASN1_SIMPLE(CMS_IssuerAndSerialNumber, serialNumber, ASN1_INTEGER) | |
8931b30d DSH |
65 | } ASN1_SEQUENCE_END(CMS_IssuerAndSerialNumber) |
66 | ||
67 | ASN1_SEQUENCE(CMS_OtherCertificateFormat) = { | |
0f113f3e MC |
68 | ASN1_SIMPLE(CMS_OtherCertificateFormat, otherCertFormat, ASN1_OBJECT), |
69 | ASN1_OPT(CMS_OtherCertificateFormat, otherCert, ASN1_ANY) | |
df2ee0e2 | 70 | } static_ASN1_SEQUENCE_END(CMS_OtherCertificateFormat) |
8931b30d DSH |
71 | |
72 | ASN1_CHOICE(CMS_CertificateChoices) = { | |
0f113f3e MC |
73 | ASN1_SIMPLE(CMS_CertificateChoices, d.certificate, X509), |
74 | ASN1_IMP(CMS_CertificateChoices, d.extendedCertificate, ASN1_SEQUENCE, 0), | |
75 | ASN1_IMP(CMS_CertificateChoices, d.v1AttrCert, ASN1_SEQUENCE, 1), | |
76 | ASN1_IMP(CMS_CertificateChoices, d.v2AttrCert, ASN1_SEQUENCE, 2), | |
77 | ASN1_IMP(CMS_CertificateChoices, d.other, CMS_OtherCertificateFormat, 3) | |
8931b30d DSH |
78 | } ASN1_CHOICE_END(CMS_CertificateChoices) |
79 | ||
80 | ASN1_CHOICE(CMS_SignerIdentifier) = { | |
0f113f3e MC |
81 | ASN1_SIMPLE(CMS_SignerIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), |
82 | ASN1_IMP(CMS_SignerIdentifier, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0) | |
df2ee0e2 | 83 | } static_ASN1_CHOICE_END(CMS_SignerIdentifier) |
8931b30d DSH |
84 | |
85 | ASN1_NDEF_SEQUENCE(CMS_EncapsulatedContentInfo) = { | |
0f113f3e MC |
86 | ASN1_SIMPLE(CMS_EncapsulatedContentInfo, eContentType, ASN1_OBJECT), |
87 | ASN1_NDEF_EXP_OPT(CMS_EncapsulatedContentInfo, eContent, ASN1_OCTET_STRING_NDEF, 0) | |
df2ee0e2 | 88 | } static_ASN1_NDEF_SEQUENCE_END(CMS_EncapsulatedContentInfo) |
8931b30d | 89 | |
afff52a3 | 90 | /* Minor tweak to operation: free up signer key, cert */ |
8931b30d | 91 | static int cms_si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
0f113f3e MC |
92 | void *exarg) |
93 | { | |
94 | if (operation == ASN1_OP_FREE_POST) { | |
95 | CMS_SignerInfo *si = (CMS_SignerInfo *)*pval; | |
c5ba2d99 | 96 | EVP_PKEY_free(si->pkey); |
222561fe | 97 | X509_free(si->signer); |
bfb0641f | 98 | EVP_MD_CTX_free(si->mctx); |
0f113f3e MC |
99 | } |
100 | return 1; | |
101 | } | |
8931b30d DSH |
102 | |
103 | ASN1_SEQUENCE_cb(CMS_SignerInfo, cms_si_cb) = { | |
0f113f3e MC |
104 | ASN1_SIMPLE(CMS_SignerInfo, version, LONG), |
105 | ASN1_SIMPLE(CMS_SignerInfo, sid, CMS_SignerIdentifier), | |
106 | ASN1_SIMPLE(CMS_SignerInfo, digestAlgorithm, X509_ALGOR), | |
107 | ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, signedAttrs, X509_ATTRIBUTE, 0), | |
108 | ASN1_SIMPLE(CMS_SignerInfo, signatureAlgorithm, X509_ALGOR), | |
109 | ASN1_SIMPLE(CMS_SignerInfo, signature, ASN1_OCTET_STRING), | |
110 | ASN1_IMP_SET_OF_OPT(CMS_SignerInfo, unsignedAttrs, X509_ATTRIBUTE, 1) | |
8931b30d DSH |
111 | } ASN1_SEQUENCE_END_cb(CMS_SignerInfo, CMS_SignerInfo) |
112 | ||
113 | ASN1_SEQUENCE(CMS_OtherRevocationInfoFormat) = { | |
0f113f3e MC |
114 | ASN1_SIMPLE(CMS_OtherRevocationInfoFormat, otherRevInfoFormat, ASN1_OBJECT), |
115 | ASN1_OPT(CMS_OtherRevocationInfoFormat, otherRevInfo, ASN1_ANY) | |
df2ee0e2 | 116 | } static_ASN1_SEQUENCE_END(CMS_OtherRevocationInfoFormat) |
8931b30d DSH |
117 | |
118 | ASN1_CHOICE(CMS_RevocationInfoChoice) = { | |
0f113f3e MC |
119 | ASN1_SIMPLE(CMS_RevocationInfoChoice, d.crl, X509_CRL), |
120 | ASN1_IMP(CMS_RevocationInfoChoice, d.other, CMS_OtherRevocationInfoFormat, 1) | |
8931b30d DSH |
121 | } ASN1_CHOICE_END(CMS_RevocationInfoChoice) |
122 | ||
123 | ASN1_NDEF_SEQUENCE(CMS_SignedData) = { | |
0f113f3e MC |
124 | ASN1_SIMPLE(CMS_SignedData, version, LONG), |
125 | ASN1_SET_OF(CMS_SignedData, digestAlgorithms, X509_ALGOR), | |
126 | ASN1_SIMPLE(CMS_SignedData, encapContentInfo, CMS_EncapsulatedContentInfo), | |
127 | ASN1_IMP_SET_OF_OPT(CMS_SignedData, certificates, CMS_CertificateChoices, 0), | |
128 | ASN1_IMP_SET_OF_OPT(CMS_SignedData, crls, CMS_RevocationInfoChoice, 1), | |
129 | ASN1_SET_OF(CMS_SignedData, signerInfos, CMS_SignerInfo) | |
8931b30d DSH |
130 | } ASN1_NDEF_SEQUENCE_END(CMS_SignedData) |
131 | ||
132 | ASN1_SEQUENCE(CMS_OriginatorInfo) = { | |
0f113f3e MC |
133 | ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, certificates, CMS_CertificateChoices, 0), |
134 | ASN1_IMP_SET_OF_OPT(CMS_OriginatorInfo, crls, CMS_RevocationInfoChoice, 1) | |
df2ee0e2 | 135 | } static_ASN1_SEQUENCE_END(CMS_OriginatorInfo) |
8931b30d DSH |
136 | |
137 | ASN1_NDEF_SEQUENCE(CMS_EncryptedContentInfo) = { | |
0f113f3e MC |
138 | ASN1_SIMPLE(CMS_EncryptedContentInfo, contentType, ASN1_OBJECT), |
139 | ASN1_SIMPLE(CMS_EncryptedContentInfo, contentEncryptionAlgorithm, X509_ALGOR), | |
140 | ASN1_IMP_OPT(CMS_EncryptedContentInfo, encryptedContent, ASN1_OCTET_STRING_NDEF, 0) | |
df2ee0e2 | 141 | } static_ASN1_NDEF_SEQUENCE_END(CMS_EncryptedContentInfo) |
8931b30d DSH |
142 | |
143 | ASN1_SEQUENCE(CMS_KeyTransRecipientInfo) = { | |
0f113f3e MC |
144 | ASN1_SIMPLE(CMS_KeyTransRecipientInfo, version, LONG), |
145 | ASN1_SIMPLE(CMS_KeyTransRecipientInfo, rid, CMS_SignerIdentifier), | |
146 | ASN1_SIMPLE(CMS_KeyTransRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), | |
147 | ASN1_SIMPLE(CMS_KeyTransRecipientInfo, encryptedKey, ASN1_OCTET_STRING) | |
8931b30d DSH |
148 | } ASN1_SEQUENCE_END(CMS_KeyTransRecipientInfo) |
149 | ||
150 | ASN1_SEQUENCE(CMS_OtherKeyAttribute) = { | |
0f113f3e MC |
151 | ASN1_SIMPLE(CMS_OtherKeyAttribute, keyAttrId, ASN1_OBJECT), |
152 | ASN1_OPT(CMS_OtherKeyAttribute, keyAttr, ASN1_ANY) | |
8931b30d DSH |
153 | } ASN1_SEQUENCE_END(CMS_OtherKeyAttribute) |
154 | ||
155 | ASN1_SEQUENCE(CMS_RecipientKeyIdentifier) = { | |
0f113f3e MC |
156 | ASN1_SIMPLE(CMS_RecipientKeyIdentifier, subjectKeyIdentifier, ASN1_OCTET_STRING), |
157 | ASN1_OPT(CMS_RecipientKeyIdentifier, date, ASN1_GENERALIZEDTIME), | |
158 | ASN1_OPT(CMS_RecipientKeyIdentifier, other, CMS_OtherKeyAttribute) | |
8931b30d DSH |
159 | } ASN1_SEQUENCE_END(CMS_RecipientKeyIdentifier) |
160 | ||
161 | ASN1_CHOICE(CMS_KeyAgreeRecipientIdentifier) = { | |
162 | ASN1_SIMPLE(CMS_KeyAgreeRecipientIdentifier, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), | |
163 | ASN1_IMP(CMS_KeyAgreeRecipientIdentifier, d.rKeyId, CMS_RecipientKeyIdentifier, 0) | |
df2ee0e2 | 164 | } static_ASN1_CHOICE_END(CMS_KeyAgreeRecipientIdentifier) |
8931b30d | 165 | |
17c2764d | 166 | static int cms_rek_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
0f113f3e MC |
167 | void *exarg) |
168 | { | |
169 | CMS_RecipientEncryptedKey *rek = (CMS_RecipientEncryptedKey *)*pval; | |
170 | if (operation == ASN1_OP_FREE_POST) { | |
c5ba2d99 | 171 | EVP_PKEY_free(rek->pkey); |
0f113f3e MC |
172 | } |
173 | return 1; | |
174 | } | |
17c2764d DSH |
175 | |
176 | ASN1_SEQUENCE_cb(CMS_RecipientEncryptedKey, cms_rek_cb) = { | |
0f113f3e MC |
177 | ASN1_SIMPLE(CMS_RecipientEncryptedKey, rid, CMS_KeyAgreeRecipientIdentifier), |
178 | ASN1_SIMPLE(CMS_RecipientEncryptedKey, encryptedKey, ASN1_OCTET_STRING) | |
17c2764d | 179 | } ASN1_SEQUENCE_END_cb(CMS_RecipientEncryptedKey, CMS_RecipientEncryptedKey) |
8931b30d DSH |
180 | |
181 | ASN1_SEQUENCE(CMS_OriginatorPublicKey) = { | |
182 | ASN1_SIMPLE(CMS_OriginatorPublicKey, algorithm, X509_ALGOR), | |
183 | ASN1_SIMPLE(CMS_OriginatorPublicKey, publicKey, ASN1_BIT_STRING) | |
184 | } ASN1_SEQUENCE_END(CMS_OriginatorPublicKey) | |
185 | ||
186 | ASN1_CHOICE(CMS_OriginatorIdentifierOrKey) = { | |
187 | ASN1_SIMPLE(CMS_OriginatorIdentifierOrKey, d.issuerAndSerialNumber, CMS_IssuerAndSerialNumber), | |
188 | ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.subjectKeyIdentifier, ASN1_OCTET_STRING, 0), | |
189 | ASN1_IMP(CMS_OriginatorIdentifierOrKey, d.originatorKey, CMS_OriginatorPublicKey, 1) | |
df2ee0e2 | 190 | } static_ASN1_CHOICE_END(CMS_OriginatorIdentifierOrKey) |
8931b30d | 191 | |
17c2764d | 192 | static int cms_kari_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, |
0f113f3e MC |
193 | void *exarg) |
194 | { | |
195 | CMS_KeyAgreeRecipientInfo *kari = (CMS_KeyAgreeRecipientInfo *)*pval; | |
196 | if (operation == ASN1_OP_NEW_POST) { | |
197 | EVP_CIPHER_CTX_init(&kari->ctx); | |
198 | EVP_CIPHER_CTX_set_flags(&kari->ctx, EVP_CIPHER_CTX_FLAG_WRAP_ALLOW); | |
199 | kari->pctx = NULL; | |
200 | } else if (operation == ASN1_OP_FREE_POST) { | |
c5ba2d99 | 201 | EVP_PKEY_CTX_free(kari->pctx); |
0f113f3e MC |
202 | EVP_CIPHER_CTX_cleanup(&kari->ctx); |
203 | } | |
204 | return 1; | |
205 | } | |
17c2764d DSH |
206 | |
207 | ASN1_SEQUENCE_cb(CMS_KeyAgreeRecipientInfo, cms_kari_cb) = { | |
0f113f3e MC |
208 | ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, version, LONG), |
209 | ASN1_EXP(CMS_KeyAgreeRecipientInfo, originator, CMS_OriginatorIdentifierOrKey, 0), | |
210 | ASN1_EXP_OPT(CMS_KeyAgreeRecipientInfo, ukm, ASN1_OCTET_STRING, 1), | |
211 | ASN1_SIMPLE(CMS_KeyAgreeRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), | |
212 | ASN1_SEQUENCE_OF(CMS_KeyAgreeRecipientInfo, recipientEncryptedKeys, CMS_RecipientEncryptedKey) | |
17c2764d | 213 | } ASN1_SEQUENCE_END_cb(CMS_KeyAgreeRecipientInfo, CMS_KeyAgreeRecipientInfo) |
8931b30d DSH |
214 | |
215 | ASN1_SEQUENCE(CMS_KEKIdentifier) = { | |
0f113f3e MC |
216 | ASN1_SIMPLE(CMS_KEKIdentifier, keyIdentifier, ASN1_OCTET_STRING), |
217 | ASN1_OPT(CMS_KEKIdentifier, date, ASN1_GENERALIZEDTIME), | |
218 | ASN1_OPT(CMS_KEKIdentifier, other, CMS_OtherKeyAttribute) | |
df2ee0e2 | 219 | } static_ASN1_SEQUENCE_END(CMS_KEKIdentifier) |
8931b30d DSH |
220 | |
221 | ASN1_SEQUENCE(CMS_KEKRecipientInfo) = { | |
0f113f3e MC |
222 | ASN1_SIMPLE(CMS_KEKRecipientInfo, version, LONG), |
223 | ASN1_SIMPLE(CMS_KEKRecipientInfo, kekid, CMS_KEKIdentifier), | |
224 | ASN1_SIMPLE(CMS_KEKRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), | |
225 | ASN1_SIMPLE(CMS_KEKRecipientInfo, encryptedKey, ASN1_OCTET_STRING) | |
8931b30d DSH |
226 | } ASN1_SEQUENCE_END(CMS_KEKRecipientInfo) |
227 | ||
228 | ASN1_SEQUENCE(CMS_PasswordRecipientInfo) = { | |
0f113f3e MC |
229 | ASN1_SIMPLE(CMS_PasswordRecipientInfo, version, LONG), |
230 | ASN1_IMP_OPT(CMS_PasswordRecipientInfo, keyDerivationAlgorithm, X509_ALGOR, 0), | |
231 | ASN1_SIMPLE(CMS_PasswordRecipientInfo, keyEncryptionAlgorithm, X509_ALGOR), | |
232 | ASN1_SIMPLE(CMS_PasswordRecipientInfo, encryptedKey, ASN1_OCTET_STRING) | |
8931b30d DSH |
233 | } ASN1_SEQUENCE_END(CMS_PasswordRecipientInfo) |
234 | ||
235 | ASN1_SEQUENCE(CMS_OtherRecipientInfo) = { | |
236 | ASN1_SIMPLE(CMS_OtherRecipientInfo, oriType, ASN1_OBJECT), | |
237 | ASN1_OPT(CMS_OtherRecipientInfo, oriValue, ASN1_ANY) | |
df2ee0e2 | 238 | } static_ASN1_SEQUENCE_END(CMS_OtherRecipientInfo) |
8931b30d | 239 | |
afff52a3 DSH |
240 | /* Free up RecipientInfo additional data */ |
241 | static int cms_ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, | |
0f113f3e MC |
242 | void *exarg) |
243 | { | |
244 | if (operation == ASN1_OP_FREE_PRE) { | |
245 | CMS_RecipientInfo *ri = (CMS_RecipientInfo *)*pval; | |
246 | if (ri->type == CMS_RECIPINFO_TRANS) { | |
247 | CMS_KeyTransRecipientInfo *ktri = ri->d.ktri; | |
c5ba2d99 | 248 | EVP_PKEY_free(ktri->pkey); |
222561fe | 249 | X509_free(ktri->recip); |
c5ba2d99 | 250 | EVP_PKEY_CTX_free(ktri->pctx); |
0f113f3e MC |
251 | } else if (ri->type == CMS_RECIPINFO_KEK) { |
252 | CMS_KEKRecipientInfo *kekri = ri->d.kekri; | |
4b45c6e5 | 253 | OPENSSL_clear_free(kekri->key, kekri->keylen); |
0f113f3e MC |
254 | } else if (ri->type == CMS_RECIPINFO_PASS) { |
255 | CMS_PasswordRecipientInfo *pwri = ri->d.pwri; | |
4b45c6e5 | 256 | OPENSSL_clear_free(pwri->pass, pwri->passlen); |
0f113f3e MC |
257 | } |
258 | } | |
259 | return 1; | |
260 | } | |
afff52a3 DSH |
261 | |
262 | ASN1_CHOICE_cb(CMS_RecipientInfo, cms_ri_cb) = { | |
0f113f3e MC |
263 | ASN1_SIMPLE(CMS_RecipientInfo, d.ktri, CMS_KeyTransRecipientInfo), |
264 | ASN1_IMP(CMS_RecipientInfo, d.kari, CMS_KeyAgreeRecipientInfo, 1), | |
265 | ASN1_IMP(CMS_RecipientInfo, d.kekri, CMS_KEKRecipientInfo, 2), | |
266 | ASN1_IMP(CMS_RecipientInfo, d.pwri, CMS_PasswordRecipientInfo, 3), | |
267 | ASN1_IMP(CMS_RecipientInfo, d.ori, CMS_OtherRecipientInfo, 4) | |
afff52a3 | 268 | } ASN1_CHOICE_END_cb(CMS_RecipientInfo, CMS_RecipientInfo, type) |
8931b30d DSH |
269 | |
270 | ASN1_NDEF_SEQUENCE(CMS_EnvelopedData) = { | |
0f113f3e MC |
271 | ASN1_SIMPLE(CMS_EnvelopedData, version, LONG), |
272 | ASN1_IMP_OPT(CMS_EnvelopedData, originatorInfo, CMS_OriginatorInfo, 0), | |
273 | ASN1_SET_OF(CMS_EnvelopedData, recipientInfos, CMS_RecipientInfo), | |
274 | ASN1_SIMPLE(CMS_EnvelopedData, encryptedContentInfo, CMS_EncryptedContentInfo), | |
275 | ASN1_IMP_SET_OF_OPT(CMS_EnvelopedData, unprotectedAttrs, X509_ATTRIBUTE, 1) | |
8931b30d DSH |
276 | } ASN1_NDEF_SEQUENCE_END(CMS_EnvelopedData) |
277 | ||
278 | ASN1_NDEF_SEQUENCE(CMS_DigestedData) = { | |
0f113f3e MC |
279 | ASN1_SIMPLE(CMS_DigestedData, version, LONG), |
280 | ASN1_SIMPLE(CMS_DigestedData, digestAlgorithm, X509_ALGOR), | |
281 | ASN1_SIMPLE(CMS_DigestedData, encapContentInfo, CMS_EncapsulatedContentInfo), | |
282 | ASN1_SIMPLE(CMS_DigestedData, digest, ASN1_OCTET_STRING) | |
8931b30d DSH |
283 | } ASN1_NDEF_SEQUENCE_END(CMS_DigestedData) |
284 | ||
285 | ASN1_NDEF_SEQUENCE(CMS_EncryptedData) = { | |
0f113f3e MC |
286 | ASN1_SIMPLE(CMS_EncryptedData, version, LONG), |
287 | ASN1_SIMPLE(CMS_EncryptedData, encryptedContentInfo, CMS_EncryptedContentInfo), | |
288 | ASN1_IMP_SET_OF_OPT(CMS_EncryptedData, unprotectedAttrs, X509_ATTRIBUTE, 1) | |
8931b30d DSH |
289 | } ASN1_NDEF_SEQUENCE_END(CMS_EncryptedData) |
290 | ||
291 | ASN1_NDEF_SEQUENCE(CMS_AuthenticatedData) = { | |
0f113f3e MC |
292 | ASN1_SIMPLE(CMS_AuthenticatedData, version, LONG), |
293 | ASN1_IMP_OPT(CMS_AuthenticatedData, originatorInfo, CMS_OriginatorInfo, 0), | |
294 | ASN1_SET_OF(CMS_AuthenticatedData, recipientInfos, CMS_RecipientInfo), | |
295 | ASN1_SIMPLE(CMS_AuthenticatedData, macAlgorithm, X509_ALGOR), | |
296 | ASN1_IMP(CMS_AuthenticatedData, digestAlgorithm, X509_ALGOR, 1), | |
297 | ASN1_SIMPLE(CMS_AuthenticatedData, encapContentInfo, CMS_EncapsulatedContentInfo), | |
298 | ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, authAttrs, X509_ALGOR, 2), | |
299 | ASN1_SIMPLE(CMS_AuthenticatedData, mac, ASN1_OCTET_STRING), | |
300 | ASN1_IMP_SET_OF_OPT(CMS_AuthenticatedData, unauthAttrs, X509_ALGOR, 3) | |
df2ee0e2 | 301 | } static_ASN1_NDEF_SEQUENCE_END(CMS_AuthenticatedData) |
8931b30d DSH |
302 | |
303 | ASN1_NDEF_SEQUENCE(CMS_CompressedData) = { | |
0f113f3e MC |
304 | ASN1_SIMPLE(CMS_CompressedData, version, LONG), |
305 | ASN1_SIMPLE(CMS_CompressedData, compressionAlgorithm, X509_ALGOR), | |
306 | ASN1_SIMPLE(CMS_CompressedData, encapContentInfo, CMS_EncapsulatedContentInfo), | |
bc2a15cd | 307 | } ASN1_NDEF_SEQUENCE_END(CMS_CompressedData) |
8931b30d DSH |
308 | |
309 | /* This is the ANY DEFINED BY table for the top level ContentInfo structure */ | |
310 | ||
311 | ASN1_ADB_TEMPLATE(cms_default) = ASN1_EXP(CMS_ContentInfo, d.other, ASN1_ANY, 0); | |
312 | ||
313 | ASN1_ADB(CMS_ContentInfo) = { | |
0f113f3e MC |
314 | ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP(CMS_ContentInfo, d.data, ASN1_OCTET_STRING_NDEF, 0)), |
315 | ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP(CMS_ContentInfo, d.signedData, CMS_SignedData, 0)), | |
316 | ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP(CMS_ContentInfo, d.envelopedData, CMS_EnvelopedData, 0)), | |
317 | ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP(CMS_ContentInfo, d.digestedData, CMS_DigestedData, 0)), | |
318 | ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP(CMS_ContentInfo, d.encryptedData, CMS_EncryptedData, 0)), | |
319 | ADB_ENTRY(NID_id_smime_ct_authData, ASN1_NDEF_EXP(CMS_ContentInfo, d.authenticatedData, CMS_AuthenticatedData, 0)), | |
320 | ADB_ENTRY(NID_id_smime_ct_compressedData, ASN1_NDEF_EXP(CMS_ContentInfo, d.compressedData, CMS_CompressedData, 0)), | |
8931b30d DSH |
321 | } ASN1_ADB_END(CMS_ContentInfo, 0, contentType, 0, &cms_default_tt, NULL); |
322 | ||
323 | /* CMS streaming support */ | |
324 | static int cms_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it, | |
0f113f3e MC |
325 | void *exarg) |
326 | { | |
327 | ASN1_STREAM_ARG *sarg = exarg; | |
328 | CMS_ContentInfo *cms = NULL; | |
329 | if (pval) | |
330 | cms = (CMS_ContentInfo *)*pval; | |
331 | else | |
332 | return 1; | |
333 | switch (operation) { | |
334 | ||
335 | case ASN1_OP_STREAM_PRE: | |
336 | if (CMS_stream(&sarg->boundary, cms) <= 0) | |
337 | return 0; | |
338 | case ASN1_OP_DETACHED_PRE: | |
339 | sarg->ndef_bio = CMS_dataInit(cms, sarg->out); | |
340 | if (!sarg->ndef_bio) | |
341 | return 0; | |
342 | break; | |
343 | ||
344 | case ASN1_OP_STREAM_POST: | |
345 | case ASN1_OP_DETACHED_POST: | |
346 | if (CMS_dataFinal(cms, sarg->ndef_bio) <= 0) | |
347 | return 0; | |
348 | break; | |
349 | ||
350 | } | |
351 | return 1; | |
352 | } | |
8931b30d DSH |
353 | |
354 | ASN1_NDEF_SEQUENCE_cb(CMS_ContentInfo, cms_cb) = { | |
0f113f3e MC |
355 | ASN1_SIMPLE(CMS_ContentInfo, contentType, ASN1_OBJECT), |
356 | ASN1_ADB_OBJECT(CMS_ContentInfo) | |
8931b30d DSH |
357 | } ASN1_NDEF_SEQUENCE_END_cb(CMS_ContentInfo, CMS_ContentInfo) |
358 | ||
359 | /* Specials for signed attributes */ | |
360 | ||
0f113f3e MC |
361 | /* |
362 | * When signing attributes we want to reorder them to match the sorted | |
8931b30d DSH |
363 | * encoding. |
364 | */ | |
365 | ||
0f113f3e MC |
366 | ASN1_ITEM_TEMPLATE(CMS_Attributes_Sign) = |
367 | ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, CMS_ATTRIBUTES, X509_ATTRIBUTE) | |
8931b30d DSH |
368 | ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Sign) |
369 | ||
0f113f3e MC |
370 | /* |
371 | * When verifying attributes we need to use the received order. So we use | |
372 | * SEQUENCE OF and tag it to SET OF | |
8931b30d DSH |
373 | */ |
374 | ||
0f113f3e MC |
375 | ASN1_ITEM_TEMPLATE(CMS_Attributes_Verify) = |
376 | ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL, | |
377 | V_ASN1_SET, CMS_ATTRIBUTES, X509_ATTRIBUTE) | |
8931b30d DSH |
378 | ASN1_ITEM_TEMPLATE_END(CMS_Attributes_Verify) |
379 | ||
be86c7fc DSH |
380 | |
381 | ||
382 | ASN1_CHOICE(CMS_ReceiptsFrom) = { | |
383 | ASN1_IMP(CMS_ReceiptsFrom, d.allOrFirstTier, LONG, 0), | |
f4cc56f4 | 384 | ASN1_IMP_SEQUENCE_OF(CMS_ReceiptsFrom, d.receiptList, GENERAL_NAMES, 1) |
df2ee0e2 | 385 | } static_ASN1_CHOICE_END(CMS_ReceiptsFrom) |
be86c7fc DSH |
386 | |
387 | ASN1_SEQUENCE(CMS_ReceiptRequest) = { | |
388 | ASN1_SIMPLE(CMS_ReceiptRequest, signedContentIdentifier, ASN1_OCTET_STRING), | |
f4cc56f4 DSH |
389 | ASN1_SIMPLE(CMS_ReceiptRequest, receiptsFrom, CMS_ReceiptsFrom), |
390 | ASN1_SEQUENCE_OF(CMS_ReceiptRequest, receiptsTo, GENERAL_NAMES) | |
be86c7fc DSH |
391 | } ASN1_SEQUENCE_END(CMS_ReceiptRequest) |
392 | ||
eb9d8d8c DSH |
393 | ASN1_SEQUENCE(CMS_Receipt) = { |
394 | ASN1_SIMPLE(CMS_Receipt, version, LONG), | |
395 | ASN1_SIMPLE(CMS_Receipt, contentType, ASN1_OBJECT), | |
396 | ASN1_SIMPLE(CMS_Receipt, signedContentIdentifier, ASN1_OCTET_STRING), | |
397 | ASN1_SIMPLE(CMS_Receipt, originatorSignatureValue, ASN1_OCTET_STRING) | |
398 | } ASN1_SEQUENCE_END(CMS_Receipt) | |
399 | ||
0f113f3e MC |
400 | /* |
401 | * Utilities to encode the CMS_SharedInfo structure used during key | |
dc1ce3bc DSH |
402 | * derivation. |
403 | */ | |
404 | ||
405 | typedef struct { | |
0f113f3e MC |
406 | X509_ALGOR *keyInfo; |
407 | ASN1_OCTET_STRING *entityUInfo; | |
408 | ASN1_OCTET_STRING *suppPubInfo; | |
dc1ce3bc DSH |
409 | } CMS_SharedInfo; |
410 | ||
411 | ASN1_SEQUENCE(CMS_SharedInfo) = { | |
412 | ASN1_SIMPLE(CMS_SharedInfo, keyInfo, X509_ALGOR), | |
413 | ASN1_EXP_OPT(CMS_SharedInfo, entityUInfo, ASN1_OCTET_STRING, 0), | |
414 | ASN1_EXP_OPT(CMS_SharedInfo, suppPubInfo, ASN1_OCTET_STRING, 2), | |
df2ee0e2 | 415 | } static_ASN1_SEQUENCE_END(CMS_SharedInfo) |
dc1ce3bc | 416 | |
0f113f3e MC |
417 | int CMS_SharedInfo_encode(unsigned char **pder, X509_ALGOR *kekalg, |
418 | ASN1_OCTET_STRING *ukm, int keylen) | |
419 | { | |
420 | union { | |
421 | CMS_SharedInfo *pecsi; | |
422 | ASN1_VALUE *a; | |
423 | } intsi = { | |
424 | NULL | |
425 | }; | |
426 | ||
427 | ASN1_OCTET_STRING oklen; | |
428 | unsigned char kl[4]; | |
429 | CMS_SharedInfo ecsi; | |
430 | ||
431 | keylen <<= 3; | |
432 | kl[0] = (keylen >> 24) & 0xff; | |
433 | kl[1] = (keylen >> 16) & 0xff; | |
434 | kl[2] = (keylen >> 8) & 0xff; | |
435 | kl[3] = keylen & 0xff; | |
436 | oklen.length = 4; | |
437 | oklen.data = kl; | |
438 | oklen.type = V_ASN1_OCTET_STRING; | |
439 | oklen.flags = 0; | |
440 | ecsi.keyInfo = kekalg; | |
441 | ecsi.entityUInfo = ukm; | |
442 | ecsi.suppPubInfo = &oklen; | |
443 | intsi.pecsi = &ecsi; | |
444 | return ASN1_item_i2d(intsi.a, pder, ASN1_ITEM_rptr(CMS_SharedInfo)); | |
445 | } |